package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/**
 * 菜品管理
 */

@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品：{}",dishDTO);
        dishService.saveWithFlavor(dishDTO);

        cleanCache("dish_" + dishDTO.getCategoryId());
        return Result.success();
    }

    /**
     * 菜品分页查询
     * @param  dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){

        log.info("菜品分页查询:{}",dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return  Result.success(pageResult);
    }

    /**
     *  批量删除菜品
     * @param ids
     */
    @DeleteMapping
    @ApiOperation("批量删除菜品")
    public Result delete(@RequestParam  List<Long> ids){
        log.info("批量删除菜品：{}",ids);

        dishService.deleteBatch(ids);

        cleanCache("dish_*");

        return Result.success();
    }

    /**根据id查询菜品
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable  Long id){
        DishVO dishVO = dishService.getByIdwithFlavor(id);
        return Result.success(dishVO);
    }

    /**
     * 修改菜品
     */
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody  DishDTO dishDTO){
        log.info("修改菜品中：{}",dishDTO);

        dishService.updateWithFlavor(dishDTO);

        cleanCache("dish_*");
        return Result.success();
    }


    /**
     * 根据分类ID查找菜品
     * @param categoryId
     */
    @GetMapping("/list")
    @ApiOperation("根据分类ID查找菜品")
    public Result<List<DishVO>> getDishByCategoryId(Long categoryId){
        List<DishVO> list = dishService.list(categoryId);
        return Result.success(list);
    }

    /**
     * 修改菜品起售状态
     */
    @PostMapping("/status/{status}")
    public Result changeStatus(Long id, @PathVariable Integer status){
        log.info("修改菜品起售状态：{}",id);
        dishService.changeStatus(id,status);

        cleanCache("dish_*");

        return Result.success();
    }

    /**
     * 群里缓存数据
     * @param pattern
     */
    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);

    }
}
